CN110108458B - Railing handrail safety detector and detection method - Google Patents
Railing handrail safety detector and detection method Download PDFInfo
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- CN110108458B CN110108458B CN201910352387.XA CN201910352387A CN110108458B CN 110108458 B CN110108458 B CN 110108458B CN 201910352387 A CN201910352387 A CN 201910352387A CN 110108458 B CN110108458 B CN 110108458B
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rehabilitation Tools (AREA)
Abstract
A railing safety detector and a detection method belong to the technical field of detection instruments. The detector comprises a detection host, a base and a force application device, wherein the detection host is connected to the base and is connected with the railing handrail to be detected through the force application device; the force application device comprises a push rod, a connecting rod and a force application mechanism, wherein two ends of the force application mechanism are respectively connected with one ends of the push rod and the connecting rod, the other end of the connecting rod is connected with a detection host, the other end of the push rod is in contact with a railing to be detected, the push rod is enabled to apply thrust to the pull rod to be detected through force application elongation of the force application mechanism, and the bearing capacity of the railing to be detected is measured. The invention can ensure that the bearing capacity of the handrail of the building railing can be conveniently, simply and effectively measured when the detection is carried out on site. The invention has simple principle, low cost, convenience and practicability.
Description
Technical Field
The invention belongs to the technical field of detection instruments, and particularly relates to a detector and a detection method capable of accurately measuring the safety of a handrail of a municipal bridge or a civil building.
Background
Railing handrail is an important engineering protection accessory component widely used on the upper part of a platform and the side surface of stairs, and is used for preventing falling accidents and guaranteeing the life safety of people. Modern individual building railing handrail materials are of a sand stone structure, modern building railing handrail materials are mostly cast iron or stainless steel, and are respectively made of wood or aluminum plastic. The rail and the handrail are usually connected by welding or bolting. The bottom end of the railing is generally anchored in the platform or the step by deep burial or bolts so as to play a role in protection.
In practice, however, many factors may affect the load carrying capacity of the balustrade handrail. Firstly, no matter what material is adopted for the railing, the durability problem exists, and the railing root part of the railing can be corroded, decayed and the like under the humid or repeated freezing and thawing environment conditions. Secondly, since the balustrade belongs to the accessory component, the construction quality is usually neglected, and the connection part between the bottom of the balustrade and the structural component and the connection part between the balustrade and the handrail are likely to have the defect of construction quality. In addition, the rail handrail is improper in design and material selection, and insufficient in rigidity, and the top end of the rail handrail is possibly deformed too much. All of the above factors may result in a loss of the load-bearing and safety-guaranteeing capabilities of the railing.
The degradation or loss of the handrail carrying capacity may directly lead to falling accidents, especially for educational places such as schools and kindergartens with large traffic or facilities such as large markets and overpasses, which may lead to more serious consequences.
At present, the national building industry standard for railing armrests mainly comprises ' civil building design rule ' GB50352-2005, ' residential design rule ' GB50096-1999, ' middle and primary schools design rule ' GB50099-2011, and ' kindergarten's building design rule ' JGJ 39-2016. The standard specifications specify the handrail height-width dimensions, height and detail. In building construction load Specification GB50009-2012, rail loads are also well defined in mandatory regulations.
However, such important parameters of the handrail carrying capacity are not known by engineering detection means, and no method for effectively verifying the handrail carrying capacity is found, and no instrument or equipment for accurately verifying the handrail carrying capacity is found.
Disclosure of Invention
Aiming at the technical problems, the carrying capacity of the railing handrail can be accurately detected, and the enclosing performance of the railing handrail can be further judged. The invention provides a railing handrail safety detector and a detection method, wherein the detector can accurately measure the bearing capacity and the protection capacity of the railing handrail, and has the advantages of simple principle, low manufacturing cost, portability and easy operation.
The aim of the invention is realized by the following technical scheme:
the invention relates to a railing safety detector, which comprises a detection host, a base and a force application device, wherein the detection host is connected to the base and is connected with a railing to be detected through the force application device; the force application device comprises a push rod, a connecting rod and a force application mechanism, wherein two ends of the force application mechanism are respectively connected with one ends of the push rod and the connecting rod, the other end of the connecting rod is connected with a detection host, the other end of the push rod is in contact with a railing to be detected, the push rod is enabled to apply thrust to the pull rod to be detected through force application elongation of the force application mechanism, and the bearing capacity of the railing to be detected is measured.
Preferably, the push rod, the connecting rod and the force application mechanism are connected in a straight line, and the included angle alpha between the push rod and the horizontal line is 45-60 degrees.
Preferably, the push rod end is also provided with a force application push handle.
Preferably, the contact end of the force application pushing handle and the railing to be tested is of a structure matched with the handrail of the railing to be tested.
Preferably, the contact end of the force application pushing hand and the railing to be tested is of an arc-shaped structure.
Preferably, the force application pushing handle comprises a plurality of arc-shaped fork structures connected in parallel.
Preferably, the force application mechanism is a jack.
Preferably, the force application mechanism is a hydraulic cylinder.
Preferably, the detecting host comprises an angle measurer, a force sensor, a calculating module and a display screen, wherein the angle measurer is a laser angle measurer and is positioned at one end of the host connected with the connecting rod to measure the force application angle of the push rod; the force sensor is positioned at the end part of the push rod, where the force application push handle is installed, the host computer simultaneously measures the angle of the push rod at each moment and the reaction force transmitted back by the force sensor at the end part of the push rod, and transmits the reaction force to the calculation module, and the calculation of the forces in the horizontal and vertical directions at each moment is completed according to the calculation formula of the calculation module; the detection host machine simultaneously displays the force application angle of the push rod, the horizontal reactive force value and the vertical reactive force value through the display screen.
The detection method provided by the invention comprises the following steps: when in field detection, a base and a detection host are arranged on a stair step; then, cutting the railing to be tested by cutting equipment, so that the cut railing section to be tested is supported on the stair steps through 1 supporting rod; placing a force application pushing handle connected with the force application pushing rod on the handrail of the railing section to be tested; the switch of the force application mechanism connected with the push rod is opened, the force application mechanism stretches to push the push rod to move, and the force application component F in the horizontal direction and the vertical direction under the state of damage or limit displacement of the railing section to be detected is respectively displayed through the display screen of the detection host machine x And F y 。
The beneficial effects of the invention are as follows:
1. the invention pushes the push rod through the force application device to force the railing handrail to be tested, and the horizontal and vertical thrust forces F under the state of damage or limit displacement are measured x And F y The safety of the railing is judged, the structure is simple, the controllability is strong, and the accuracy of measured results is high.
2. The force application mechanism of the invention can adopt a jack or a hydraulic cylinder, is convenient to operate, is easy to realize and has good force transmission effect.
3. The invention can ensure that the bearing capacity of the handrail of the building railing can be conveniently, simply and effectively measured when the detection is carried out on site. The invention has simple principle, low cost, convenience and practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a block diagram of the detecting host in fig. 1.
In the figure: 1. the device comprises a base, a detection host, a connecting rod, a force application mechanism, a push rod, a force application pushing hand, a railing, a support rod, a step and a bolt.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Examples: as shown in fig. 1, the safety detector for the railing handrail comprises a detection host 2, a base 1 and a force application device, wherein the detection host 2 is connected to the base 1, and the detection host 2 is connected with the railing handrail to be detected through the force application device; the force application device comprises a push rod 5, a connecting rod 3 and a force application mechanism 4, wherein two ends of the force application mechanism 4 are respectively connected with one ends of the push rod 5 and the connecting rod 3, the other end of the connecting rod 3 is connected with a detection host 2, the other end of the push rod 5 is in contact with a railing 7 to be detected, the push rod 5 applies thrust to the pull rod 7 to be detected through force application elongation of the force application mechanism 6, and the bearing capacity of the railing 7 to be detected is measured.
The push rod 5, the connecting rod 3 and the force application mechanism 4 are connected in a straight line, and an included angle alpha between the push rod and the horizontal line is 45-60 degrees.
The end of the push rod 5 is also provided with a force-applying push handle 6.
The contact end of the force application pushing handle 6 and the railing 7 to be tested is of a structure matched with the handrail of the railing 7 to be tested, and particularly is of an arc-shaped structure. The force-applying pushing handle 6 in this example comprises a plurality of arc-shaped fork structures connected in parallel.
The force application mechanism 4 is a jack. Hydraulic cylinders or mechanically driven elongated structures, such as lead screw and nut structures, may also be employed.
As shown in fig. 2, the detection host adopted by the invention comprises an angle measurer, a force sensor, a calculation module and a display screen, wherein the angle measurer is a laser angle measurer and is positioned at one end of the host connected with the connecting rod 3 to measure the force application angle of the push rod 5; the force sensor is positioned at the end part of the push rod 5 where the force application push handle 6 is arranged, the host computer simultaneously measures the angle of the push rod 5 at each moment and the reaction force transmitted back by the force sensor at the end part of the push rod 5, and the reaction force is transmitted to the calculation module, and the calculation of the force in the horizontal and vertical directions at each moment is completed according to the calculation formula of the calculation module. The detection host machine simultaneously displays the force application angle of the push rod, the horizontal reactive force value and the vertical reactive force value through the display screen. The calculation formula of the horizontal and vertical force of the calculation module is as follows:
F x ＝∫F(t)·cosα·dα
F y ＝∫F(t)·sinα·dα
wherein the angle measurer, the force sensor and the display screen are all of the existing structure.
In the invention, during on-site detection, a base 1 and a detection host 2 are arranged on a stair step 9 corresponding to a railing 7 to be detected, and the base 1 can be fixed through an expansion bolt 10; then, cutting the railing 7 to be tested by cutting equipment, so that the cut railing section to be tested is supported on the stair steps through 1 supporting rod 9; the force-applying pushing handle 6 connected with the pushing rod 5 is placed on the handrail of the railing section to be tested; the switch of the force application mechanism 4 connected with the push rod 5 is turned on, the force application mechanism 4 stretches to push the push rod 5 to move, and the force application component F in the horizontal direction and the vertical direction under the state of damage or limit displacement of the railing section to be detected is respectively displayed by the display screen of the detection host 2 x And F y 。
The calculation of the two thrust components is shown below:
F x ＝∫F(t)·cosα·dα
F y ＝∫F(t)·sinα·dα
and judging the safety of the railing according to the measured thrust.
According to the rule of 5.2.2 in building structure load Specification GB50009-2012, the horizontal load at the top of a railing is not less than 1.0kN/m in houses, dormitories, office buildings, hotels, hospitals, nurseries and kindergartens; school, canteen, theatre, cinema, station, auditorium, exhibition hall or stadium, the horizontal load of railing top is not less than 1.0kN/m, and vertical load is not less than 1.2kN/m.
When the horizontal or vertical bearing capacity of the stair railing calculated by measurement does not meet the standard requirement limit value, the stair railing is considered to have potential safety hazards, and reinforcement treatment is carried out.
Claims (8)
1. A railing handrail security detector, characterized in that: the device comprises a detection host, a base and a force application device, wherein the detection host is connected to the base and is connected with a railing handrail to be detected through the force application device; the force application device comprises a push rod, a connecting rod and a force application mechanism, wherein two ends of the force application mechanism are respectively connected with one end of the push rod and one end of the connecting rod, the other end of the connecting rod is connected with a detection host, the other end of the push rod is in contact with a railing to be detected, the push rod applies thrust to the pull rod to be detected through force application elongation of the force application mechanism, and the bearing capacity of the railing to be detected is measured; the push rod, the connecting rod and the force application mechanism are connected in a straight line, and an included angle alpha between the push rod and the horizontal line is 45-60 degrees; the detection host comprises an angle measurer, a force sensor, a calculation module and a display screen, wherein the angle measurer is a laser angle measurer and is positioned at one end of the host connected with the connecting rod to measure the force application angle of the push rod; the force sensor is positioned at the end part of the push rod, where the force application push handle is installed, the host computer simultaneously measures the angle of the push rod at each moment and the reaction force transmitted back by the force sensor at the end part of the push rod, and transmits the reaction force to the calculation module, and the calculation of the forces in the horizontal and vertical directions at each moment is completed according to the calculation formula of the calculation module; the detection host machine simultaneously displays the force application angle of the push rod, the horizontal reactive force value and the vertical reactive force value through the display screen.
2. The balustrade handrail safety detector of claim 1, wherein: the end part of the push rod is also provided with a force-applying push handle.
3. The balustrade handrail safety detector of claim 2, wherein: the contact end of the force application pushing handle and the railing to be tested is of a structure matched with the railing to be tested.
4. A balustrade handrail safety detector according to claim 3, wherein: the contact end of the force application pushing hand and the railing to be tested is of an arc-shaped structure.
5. A balustrade handrail safety detector according to claim 3, wherein: the force application pushing handle comprises a plurality of arc-shaped fork structures which are connected in parallel.
6. The balustrade handrail safety detector of claim 1, wherein: the force application mechanism is a jack.
7. The balustrade handrail safety detector of claim 1, wherein: the force application mechanism is a hydraulic cylinder.
8. The method of detecting a balustrade handrail safety detector of claim 1, wherein: when in field detection, a base and a detection host are arranged on a stair step; then, cutting the railing to be tested by cutting equipment, so that the cut railing section to be tested is supported on the stair steps through 1 supporting rod; placing a force application pushing handle connected with the force application pushing rod on the handrail of the railing section to be tested; the switch of the force application mechanism connected with the push rod is opened, the force application mechanism stretches to push the push rod to move, and the force application component F in the horizontal direction and the vertical direction under the state of damage or limit displacement of the railing section to be detected is respectively displayed through the display screen of the detection host machine x And F y 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352387.XA CN110108458B (en) | 2019-04-29 | 2019-04-29 | Railing handrail safety detector and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352387.XA CN110108458B (en) | 2019-04-29 | 2019-04-29 | Railing handrail safety detector and detection method |
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| CN110108458A CN110108458A (en) | 2019-08-09 |
| CN110108458B true CN110108458B (en) | 2024-03-22 |
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| CN201910352387.XA Active CN110108458B (en) | 2019-04-29 | 2019-04-29 | Railing handrail safety detector and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114858125B (en) * | 2022-05-05 | 2024-07-26 | 广州广日电梯工业有限公司 | Dado board testing device and dado board testing method |
| CN116296348B (en) * | 2023-05-22 | 2023-07-28 | 江苏金阳光科教设备集团有限公司 | Plastic slide fatigue test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557420B1 (en) * | 2000-09-29 | 2003-05-06 | Ensco International Incorporated | Hand rail testing apparatus |
| CN103134700A (en) * | 2013-01-29 | 2013-06-05 | 泰州市房城建筑质量评估事务有限公司 | On-site test method and device for construction enclosure construction member horizontal thrust performance |
| CN206038442U (en) * | 2016-09-21 | 2017-03-22 | 湖南中大建设工程检测技术有限公司 | On --spot load detection device of horizontal pushing force |
| CN108387453A (en) * | 2018-05-30 | 2018-08-10 | 广州建设工程质量安全检测中心有限公司 | A kind of detecting system and method for building enclosure component resistance to vertical load performance |
| CN108535007A (en) * | 2018-06-15 | 2018-09-14 | 中冶建筑研究总院有限公司 | A kind of railing thrust simulation device |
| CN109115609A (en) * | 2018-10-05 | 2019-01-01 | 董良印 | A kind of detection system of building enclosure component resistance to vertical load performance |
| CN209559488U (en) * | 2019-04-29 | 2019-10-29 | 沈阳市建设工程质量检测中心有限公司 | A kind of accommodation rail safety detection instrument |
-
2019
- 2019-04-29 CN CN201910352387.XA patent/CN110108458B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557420B1 (en) * | 2000-09-29 | 2003-05-06 | Ensco International Incorporated | Hand rail testing apparatus |
| CN103134700A (en) * | 2013-01-29 | 2013-06-05 | 泰州市房城建筑质量评估事务有限公司 | On-site test method and device for construction enclosure construction member horizontal thrust performance |
| CN206038442U (en) * | 2016-09-21 | 2017-03-22 | 湖南中大建设工程检测技术有限公司 | On --spot load detection device of horizontal pushing force |
| CN108387453A (en) * | 2018-05-30 | 2018-08-10 | 广州建设工程质量安全检测中心有限公司 | A kind of detecting system and method for building enclosure component resistance to vertical load performance |
| CN108535007A (en) * | 2018-06-15 | 2018-09-14 | 中冶建筑研究总院有限公司 | A kind of railing thrust simulation device |
| CN109115609A (en) * | 2018-10-05 | 2019-01-01 | 董良印 | A kind of detection system of building enclosure component resistance to vertical load performance |
| CN209559488U (en) * | 2019-04-29 | 2019-10-29 | 沈阳市建设工程质量检测中心有限公司 | A kind of accommodation rail safety detection instrument |
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| CN110108458A (en) | 2019-08-09 |
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Inventor after: Hou Dongxu Inventor after: Ma Yi Inventor after: Xu Chi Inventor after: Yang Zhenguo Inventor after: Jiang Feng Inventor after: Wang Qinghai Inventor after: Wang Ye Inventor before: Ma Yi Inventor before: Xu Chi Inventor before: Yang Zhenguo Inventor before: Jiang Feng Inventor before: Wang Qinghai Inventor before: Wang Ye |
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Effective date of registration: 20240205 Address after: 110044 Liaoning Province, Shenyang City District wanghuanan Street No. 21 Applicant after: SHENYANG University Country or region after: China Applicant after: SHENYANG CONSTRUCTION TESTING CENTER Co.,Ltd. Address before: No. 33 Wencui Road, Shenhe District, Shenyang City, Liaoning Province, 110000 Applicant before: SHENYANG CONSTRUCTION TESTING CENTER Co.,Ltd. Country or region before: China |
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